package com.nj.liandi.gulimall.search.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import java.util.UUID;

@Controller
public class LoginController {

    @Autowired
    StringRedisTemplate redisTemplate;

    @GetMapping("/login.html")
    public String loginPage(@RequestParam("redirect_url") String url, Model model, @CookieValue(value = "sso_token",required = false) String sso_token){
        if (!StringUtils.isEmpty(sso_token)) {
            return "redirect:"+url+"?token="+sso_token;
        }
        model.addAttribute("url",url);
        return "login";
    }

    @PostMapping("/doLogin")
    public String doLogin(@RequestParam("username")String username,
                          @RequestParam("password")String password,
                          @RequestParam("url")String url,
                          HttpServletResponse response){
        if (!StringUtils.isEmpty(username)&&!StringUtils.isEmpty(password)) {
            String token = UUID.randomUUID().toString().replace("-","");
            redisTemplate.opsForValue().set(username,token);
            Cookie sso_token = new Cookie("sso_token", token);
            response.addCookie(sso_token);
            return "redirect:"+url+"?token="+token;
        }
        return "login";
    }
}
